Shaohua Zhang

Bib: 14709M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:47
3.11 mi
Rank: #11330
Start5K
22:47 | 7:20/mi
10K
46:29
6.21 mi
Rank: #12661 (-1331)
5K10K
23:42 | 7:38/mi
15K
1:10:28
9.32 mi
Rank: #13303 (-642)
10K15K
23:59 | 7:44/mi
20K
1:34:54
12.43 mi
Rank: #13726 (-423)
15K20K
24:26 | 7:52/mi
HALF
1:40:08
13.11 mi
Rank: #13765 (-39)
20KHALF
5:14 | 7:41/mi
25K
1:59:24
15.53 mi
Rank: #13950 (-185)
HALF25K
19:16 | 7:57/mi
30K
2:25:18
18.64 mi
Rank: #14314 (-364)
25K30K
25:54 | 8:21/mi
20M
2:36:30
20.00 mi
Rank: #14304 (+10)
30K20M
11:12 | 8:15/mi
21M
2:45:22
21.00 mi
Rank: #14335 (-31)
20M21M
8:52 | 8:52/mi
35K
2:51:16
21.75 mi
Rank: #14291 (+44)
21M35K
5:54 | 7:54/mi
23M
3:01:33
23.00 mi
Rank: #14258 (+33)
35K23M
10:17 | 8:14/mi
24M
3:10:00
24.00 mi
Rank: #14378 (-120)
23M24M
8:27 | 8:27/mi
40K
3:17:22
24.85 mi
Rank: #14475 (-97)
24M40K
7:22 | 8:37/mi
25.2M
3:20:29
25.20 mi
Rank: #14484 (-9)
40K25.2M
3:07 | 9:03/mi
FINISH
3:28:41
26.22 mi
Rank: #14533 (-49)
25.2MFINISH
8:12 | 8:03/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:40:08
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:48:33
Pace8:17 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5122:477:2022:47
7:20
-
10K
6.21 mi11:17:3346:297:2923:42
7:38
+0:18
15K
9.32 mi11:41:321:10:287:3423:59
7:44
+0:06
20K
12.43 mi12:05:581:34:547:3924:26
7:52
+0:08
HALF
13.11 mi12:11:121:40:087:395:14
7:41
-0:11
25K
15.53 mi12:30:281:59:247:4219:16
7:57
+0:16
30K
18.64 mi12:56:222:25:187:4825:54
8:21
+0:24
20M
20.00 mi13:07:342:36:307:5011:12
8:15
-0:06
21M
21.00 mi13:16:262:45:227:538:52
8:52
+0:37
35K
21.75 mi13:22:202:51:167:535:54
7:54
-0:58
23M
23.00 mi13:32:373:01:337:5410:17
8:14
+0:20
24M
24.00 mi13:41:043:10:007:568:27
8:27
+0:13
40K
24.85 mi13:48:263:17:227:577:22
8:37
+0:10
25.2M
25.20 mi13:51:333:20:297:583:07
9:03
+0:26
FINISH
26.22 mi13:59:453:28:417:588:12
8:03
-1:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:20 /mi

Average Pace

7:58 /mi

Slowest Pace

9:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:15:42

36% of race

Time at Steady Pace

1:19:17

38% of race

Time at Slower Pace

53:42

26% of race

Average Pace: 7:58 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:5122:477:2022:47
7:20
#11330
10K
6.21 mi11:17:3346:297:2923:42
7:38
#12661
15K
9.32 mi11:41:321:10:287:3423:59
7:44
#13303
20K
12.43 mi12:05:581:34:547:3924:26
7:52
#13726
HALF
13.11 mi12:11:121:40:087:395:14
7:41
#13765
25K
15.53 mi12:30:281:59:247:4219:16
7:57
#13950
30K
18.64 mi12:56:222:25:187:4825:54
8:21
#14314
20M
20.00 mi13:07:342:36:307:5011:12
8:15
#14304
21M
21.00 mi13:16:262:45:227:538:52
8:52
#14335
35K
21.75 mi13:22:202:51:167:535:54
7:54
#14291
23M
23.00 mi13:32:373:01:337:5410:17
8:14
#14258
24M
24.00 mi13:41:043:10:007:568:27
8:27
#14378
40K
24.85 mi13:48:263:17:227:577:22
8:37
#14475
25.2M
25.20 mi13:51:333:20:297:583:07
9:03
#14484
FINISH
26.22 mi13:59:453:28:417:588:12
8:03
#14533
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi113308754875414685(Top 51%)10068(Top 62%)10068(Top 539%)
10K6.21 mi3.10 mi12661-13319297-5439297-54314095(Top 49%)9872(Top 60%)9872(Top 528%)
15K9.32 mi3.11 mi13303-6429530-2339530-23314685(Top 51%)10068(Top 62%)10068(Top 539%)
20K12.43 mi3.11 mi13726-4239689-1599689-15915031(Top 52%)10151(Top 62%)10151(Top 543%)
HALF13.11 mi0.68 mi13765-399705-169705-1614498(Top 50%)10007(Top 61%)10007(Top 536%)
25K15.53 mi2.42 mi13950-1859767-629767-6214944(Top 51%)10038(Top 61%)10038(Top 537%)
30K18.64 mi3.11 mi14314-3649869-1029869-10215851(Top 55%)10349(Top 63%)10349(Top 554%)
20M20.00 mi1.36 mi14304+109846+239846+2314534(Top 50%)9702(Top 59%)9702(Top 519%)
21M21.00 mi1.00 mi14335-319842+49842+415335(Top 53%)9957(Top 61%)9957(Top 533%)
35K21.75 mi0.75 mi14291+449804+389804+3813684(Top 47%)9186(Top 56%)9186(Top 492%)
23M23.00 mi1.25 mi14258+339758+469758+4613898(Top 48%)9203(Top 56%)9203(Top 493%)
24M24.00 mi1.00 mi14378-1209775-179775-1716565(Top 57%)10283(Top 63%)10283(Top 550%)
40K24.85 mi0.85 mi14475-979798-239798-2316355(Top 56%)10118(Top 62%)10118(Top 542%)
25.2M25.20 mi0.35 mi14484-99790+89790+814870(Top 51%)9430(Top 58%)9430(Top 505%)
FINISH26.22 mi1.02 mi14533-499793-39793-315449(Top 53%)9734(Top 60%)9734(Top 521%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14685

Males

10068

M50-54

10068

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14095

Males

9872

M50-54

9872

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14685

Males

10068

M50-54

10068

15K→20K

9.3 - 12.4 mi

Top 52%
×5
+106ft-86ft

Overall

15031

Males

10151

M50-54

10151

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14498

Males

10007

M50-54

10007

HALF→25K

13.1 - 15.5 mi

Top 51%
×4
+66ft-88ft

Overall

14944

Males

10038

M50-54

10038

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15851

Males

10349

M50-54

10349

30K→20M

18.6 - 20.0 mi

Top 50%
×5
+64ft-50ft

Overall

14534

Males

9702

M50-54

9702

20M→21M

20.0 - 21.0 mi

Top 53%
×8
+106ft-24ft

Overall

15335

Males

9957

M50-54

9957

21M→35K

21.0 - 21.8 mi

Top 47%
×7
+17ft-86ft

Overall

13684

Males

9186

M50-54

9186

35K→23M

21.8 - 23.0 mi

Top 48%
×5
+23ft-63ft

Overall

13898

Males

9203

M50-54

9203

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16565

Males

10283

M50-54

10283

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16355

Males

10118

M50-54

10118

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14870

Males

9430

M50-54

9430

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15449

Males

9734

M50-54

9734

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
878
Passed By
4080
Net Change
-3203
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11330
5K10K201350-1331#11330#12661
10K15K54696-642#12661#13303
15K20K71494-423#13303#13726
20KHALF2160-39#13726#13765
HALF25K74259-185#13765#13950
25K30K100464-364#13950#14314
30K20M10494+10#14314#14304
20M21M88119-31#14304#14335
21M35K7127+44#14335#14291
35K23M11077+33#14291#14258
23M24M46166-120#14258#14378
24M40K41138-97#14378#14475
40K25.2M3140-9#14475#14484
25.2MFINISH4796-49#14484#14533
TOTALS8784080-3203
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing